const http=require("http")
const path=require("path")
const server=http.createServer()
server.on("request",(req,res)=>{
const url=req.url
let content="404 找不到您的请求"
if (url==="/index.html"||url==="/"  ) {
    content="<h1>首页</h1>"
}else if(url==="/about.html"){
    content="<h1>关于</h1>"
}
res.setHeader("Content-Type","text/html; charset=utf-8")
res.end(content)
})
server.listen(8080,()=>{
    console.log("服务器已启动：127.0.0.1:8080")
})